I tried the option --with-debugging=0 and the performance of my application in the sequential case decreased twice.
:) However, in Kumbuntu Linux it is less scalable than when using Rocks Cluster system... I am trying to find out why.. we gave up on Rocks due many problems. Thanks Berend Em (15:41:06), petsc-users at mcs.anl.gov escreveu: >Hi Fernando, > >Have you tried configuring PETSc with the option >--with-debugging=0 > >That should generate optimized code. > >For using hypre, you can specify >--download-hypre=yes > >Good luck, > >Berend. > >> Dear All, >> >> I've found that, for my application, the PETSc that comes in Kubuntu Linux >> 64 is twice faster than the one we can get in the PETSc's site. I want to >> use Hypre in my application, but I don't know how to use Hypre with the >> already compiled PETSc library in Kubuntu. Can you give me some hints in >> this task? Or maybe tell what should be reason for this difference in >> performance.. maybe I need some flags in order to optimize PETSc >downloaded >> from the site? >> >> Thank you. >> >> Fernando Campos > >----------
